Physiological Botany: An Abridgement of The Students' Guide to Structural, Morphological, and Physiological BotanyD. Appleton and Company, 1886 - 292 páginas |
Dentro del libro
Resultados 1-5 de 12
Página 4
... cotyledons and are hence termed Acotyle- dons . In germination the cotyledons afford nutrition to the developing plumule and radicle , from which the three essential organs of the plant - root , stem , and leaves — are evolved . These ...
... cotyledons and are hence termed Acotyle- dons . In germination the cotyledons afford nutrition to the developing plumule and radicle , from which the three essential organs of the plant - root , stem , and leaves — are evolved . These ...
Página 13
... cotyledon of the common Pea ( Pisum sativum ) . a , a . Aleurone grains . st . Starch granules . i , i . Intercellular spaces . ( After Sachs . ) Besides the inorganic crystals just described , it frequently happens that some of the ...
... cotyledon of the common Pea ( Pisum sativum ) . a , a . Aleurone grains . st . Starch granules . i , i . Intercellular spaces . ( After Sachs . ) Besides the inorganic crystals just described , it frequently happens that some of the ...
Página 39
... cotyledon in their embryo ; while those with Acrog- enous stems have no proper embryo , and consequently have no cotyledons . Hence , Exogenous stems are also termed Dicotyledonous ; Endogenous stems Monocotyledo- nous ; and Acrogenous ...
... cotyledon in their embryo ; while those with Acrog- enous stems have no proper embryo , and consequently have no cotyledons . Hence , Exogenous stems are also termed Dicotyledonous ; Endogenous stems Monocotyledo- nous ; and Acrogenous ...
Página 75
... cotyledons , and those that next succeed them are termed primordial . Leaves are called radical when they arise at or below the surface of the ground , from a shortened stem , or crown of the root , as it is commonly called . Leaves ...
... cotyledons , and those that next succeed them are termed primordial . Leaves are called radical when they arise at or below the surface of the ground , from a shortened stem , or crown of the root , as it is commonly called . Leaves ...
Página 165
... cotyledons . In by far the majority of cases the two cotyle- dons are nearly of equal size , as in the Pea ; but in ... cotyledons has been removed . c . The cotyledon which has been left . r . Radicle . g . Plumule . t . Tigellum . c ...
... cotyledons . In by far the majority of cases the two cotyle- dons are nearly of equal size , as in the Pea ; but in ... cotyledons has been removed . c . The cotyledon which has been left . r . Radicle . g . Plumule . t . Tigellum . c ...
Otras ediciones - Ver todas
The Student's Guide to Structural, Morphological and Physiological Botany Robert Bentley Sin vista previa disponible - 2016 |
The Student's Guide to Structural, Morphological and Physiological Botany Robert Bentley Sin vista previa disponible - 2016 |
Términos y frases comunes
absorption æstivation albumen anther antheridia antherozoids apex appearance archegonia arranged axil bark base becomes bracts branches buds called calyx carbon dioxide carpels cavity cell-wall cells Fig cellular chalaza chlorophyl coat color commonly compound consists contain corolla cotyledons cyme dehiscence described developed Dicotyledonous dissepiments elongated embryo embryo-sac epidermis external fertilization fibro-vascular bundles filaments fleshy floral flower-buds flowers fluid frequently fruit glands granules green grow growth hairs hence hilum inclosed indehiscent inflorescence inner kind layer leaf leaves less lobes matters medullary membrane micropyle Monocotyledonous nature nucleus occur organs outer ovary ovule oxygen parenchyma pericarp petals petiole pistil pith pitted placenta plants pollen pollen-cells portion primary axis produced protoplasm radicle reproductive roots seeds sepals species spiral vessels sporangium spores stalk stamens starch stem stigma stomata structure style substance surface sutures takes place termed terminal thalamus Thallophytes thickened tion tissue transverse usually valves vary walls whorls wood wood-cells
Pasajes populares
Página ii - Society, etc.; and JB HOLDER, MD, Curator of Zoology of American Museum of Natural History, Central Park, New York. 12mo, 385 pages. A COMPEND OF GEOLOGY. By JOSEPH LE CONTE, Professor of Geology and Natural History in the University of California; author of "Elements of Geology,
Página 223 - ... bundles ; or the increased size of the coming leaf-bud will snap them ; or if these causes are not in operation, a gust of wind, a heavy shower, or even the simple weight of the lamina, will be enough to disrupt the small connexions, and send the suicidal member to its grave. " Such is the history of the fall of the leaf.
Página vi - Descriptive Botany," by Eliza A. Youmans. Designed to give an elementary account of Structural and Physiological Botany, or of the inner and minute mechanism and activities of plants. It treats of what the parts of a plant are built up, and what functions they perform In its history as a living being.